Diagnostic procedure
Mazda 6 Service Manual: High Beam Control System (HBC) (Some models)
The High Beam Control System (HBC) determines the conditions in front of the
vehicle using the Forward Sensing Camera (FSC) while driving in darkness to automatically
switch the headlights between high and low beams.
Refer to Warning/Indicator Lights.
While driving the vehicle at a speed of ab ...
Mazda 6 Service Manual: Rear door lock actuator inspection
Door Lock Actuator
1. Disconnect the front door lock actuator connector.
2. Apply battery positive voltage to the front door lock actuator terminals
and inspect the operation of the front door lock actuator.
If not as specified, replace the front door lock actuator.
With double locking ...